泥灰質の
解説 Definition
泥灰(マール)を含む、または泥灰でできた地質学的用語。石灰質と粘土質の堆積物からなる土壌を指す。
Marly describes soil, clay, rock, or sediment that contains a substantial amount of marl or has the mixed clay-rich and calcium-carbonate-rich character of marl. The adjective is used chiefly in geology, soil science, and descriptions of agricultural land.
覚え方のコツ Memory Tip
marl「泥灰土」に形容詞語尾 -y「〜を含む、〜の性質を持つ」を付けた語なので、cloud→cloudy と同じ作りで覚える。marly soil、marly clay、marly deposits のように地質・土壌の名詞を修飾し、粘土質と炭酸カルシウムを含む性質を表す。marble「大理石」と混同しない。
Build marly directly from marl plus the adjective-forming suffix -y, just as cloud becomes cloudy. Marl is an earthy material containing clay and calcium carbonate, so marly means “containing marl” or “having the character of marl.” Learn it in technical combinations such as marly soil, marly clay, marly limestone, and marly deposits. These combinations point to geology, soil science, or agriculture. Do not confuse marly with marble: marble is a metamorphic rock, whereas a marly material is defined by its mixture of clay-rich and calcareous components.
例文
The marly soil was suitable for agriculture.
泥灰質の土壌は農業に適していた。
Geologists identified marly deposits in the region.
地質学者は地域の泥灰堆積物を特定した。
The marly clay had good water-holding capacity.
泥灰質の粘土は良好な水保持能力を持っていた。
marly の類義語・関連語
marly の語源・成り立ち Etymology
marlyはmarl(泥灰土)+-y(〜質の)です。marlは古フランス語marleを経て後期ラテン語margilaにさかのぼるとされ、石灰を含む土を指しました。marlstoneも同根で、「泥灰を含んだ性質の」という意味がそのまま形容詞になっています。
Marly is formed within English from marl and the adjective suffix -y, meaning “characterized by” or “containing.” Marl entered Middle English through Old French marle and is related to Medieval Latin forms such as margila, denoting a clayey, lime-bearing earth. The adjective therefore has a straightforward compositional history: material that contains marl is marly. Related geological formations include marlstone, a compact or hardened rock composed largely of marl.
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